538635682 has 8 divisors (see below), whose sum is σ = 870103836. Its totient is φ = 248601072.

The previous prime is 538635679. The next prime is 538635707. The reversal of 538635682 is 286536835.

It can be written as a sum of positive squares in 2 ways, for example, as 538286401 + 349281 = 23201^2 + 591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10358353 + ... + 10358404.

Almost surely, 2^538635682 is an apocalyptic number.

538635682 is a deficient number, since it is larger than the sum of its proper divisors (331468154).

538635682 is a wasteful number, since it uses less digits than its factorization.

538635682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20716772.

The product of its digits is 1036800, while the sum is 46.

The square root of 538635682 is about 23208.5260626348. The cubic root of 538635682 is about 813.6389049716.

The spelling of 538635682 in words is "five hundred thirty-eight million, six hundred thirty-five thousand, six hundred eighty-two".